package struts.action;

import java.io.IOException;
import java.util.Map;

import javax.servlet.RequestDispatcher;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import struts.form.ActionForm;
import struts.form.FullForm;
import struts.form.XmlBean;

public class ActionServlet extends HttpServlet {

	/**
	 * 
	 */
	private static final long serialVersionUID = 1L;
	
	public void doGet(HttpServletRequest request,HttpServletResponse response)throws IOException,ServletException{
		String path = this.getPath(request.getServletPath());
		Map<String,XmlBean> map = (Map)this.getServletContext().getAttribute("struts");
		XmlBean xml = map.get(path);
		String formClass = xml.getFormClass();
		ActionForm form = FullForm.full(formClass,request);
		String actionType = xml.getActionClass();
		Action action = null;
		String url = "";
		try{
			Class clazz = Class.forName(actionType);
			action = (Action) clazz.newInstance();
			url = action.execute(request,response,form,xml.getActionForward());
		}catch(Exception e){
			e.printStackTrace();
			System.out.println("控制器错误");
		}
		RequestDispatcher dis = request.getRequestDispatcher(url);
		dis.forward(request, response);
		
		

	}
	public void doPost(HttpServletRequest request,HttpServletResponse response)throws IOException,ServletException{
		this.doGet(request, response);	
	}
	private String getPath(String servletPath){
		return servletPath.split("\\.")[0];
	}

}







































